GSM & fabric weight converter
Convert GSM to oz/yd² and back, and see which weight suits tees, hoodies, sweats, jerseys and leggings.
Fabric weight guide
| Product | GSM | oz/yd² |
|---|---|---|
| Lightweight tee, sports jersey | 120–160 | 3.5–4.7 |
| Everyday tee, polo | 160–200 | 4.7–5.9 |
| Heavyweight / oversized tee | 220–320 | 6.5–9.4 |
| Leggings, sports bras | 220–300 | 6.5–8.8 |
| Light hoodie, French terry | 280–330 | 8.3–9.7 |
| Standard fleece hoodie, sweatpants | 330–400 | 9.7–11.8 |
| Heavyweight streetwear hoodie | 420–500+ | 12.4–14.7+ |
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